Extreme fatigue-resistance in a brood parasite parallels a war of attrition in begging competition with hosts
Nicholas D. Antonson, Márk E. Hauber, Wendy M. Schelsky…·Matthew J. Fuxjager
The paper examines muscle fatigue resistance in brood parasitic cowbirds and host warblers, finding cowbirds have greater fatigue resistance in begging displays.